US8087478B2 - Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling - Google Patents
Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling Download PDFInfo
- Publication number
- US8087478B2 US8087478B2 US12/478,806 US47880609A US8087478B2 US 8087478 B2 US8087478 B2 US 8087478B2 US 47880609 A US47880609 A US 47880609A US 8087478 B2 US8087478 B2 US 8087478B2
- Authority
- US
- United States
- Prior art keywords
- cutting
- cutting table
- cutting element
- formation
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 314
- 238000000034 method Methods 0.000 title claims description 18
- 238000005553 drilling Methods 0.000 title claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 71
- 239000000758 substrate Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000003116 impacting effect Effects 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 description 56
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000007373 indentation Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000009760 electrical discharge machining Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000011236 particulate material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/56—Button-type inserts
- E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
- E21B10/5671—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts with chip breaking arrangements
Abstract
Description
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/478,806 US8087478B2 (en) | 2009-06-05 | 2009-06-05 | Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling |
PCT/US2010/037062 WO2010141579A2 (en) | 2009-06-05 | 2010-06-02 | Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angeles, drill bits so equipped and methods of drilling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/478,806 US8087478B2 (en) | 2009-06-05 | 2009-06-05 | Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling |
Publications (2)
Publication Number | Publication Date |
---|---|
US20100307829A1 US20100307829A1 (en) | 2010-12-09 |
US8087478B2 true US8087478B2 (en) | 2012-01-03 |
Family
ID=43298474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/478,806 Active US8087478B2 (en) | 2009-06-05 | 2009-06-05 | Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling |
Country Status (2)
Country | Link |
---|---|
US (1) | US8087478B2 (en) |
WO (1) | WO2010141579A2 (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130092455A1 (en) * | 2009-06-29 | 2013-04-18 | Baker Hughes Incorporated | Oblique face polycrystalline diamond cutter and drilling tools so equipped |
US8739904B2 (en) | 2009-08-07 | 2014-06-03 | Baker Hughes Incorporated | Superabrasive cutters with grooves on the cutting face, and drill bits and drilling tools so equipped |
US8936659B2 (en) | 2010-04-14 | 2015-01-20 | Baker Hughes Incorporated | Methods of forming diamond particles having organic compounds attached thereto and compositions thereof |
US9140072B2 (en) | 2013-02-28 | 2015-09-22 | Baker Hughes Incorporated | Cutting elements including non-planar interfaces, earth-boring tools including such cutting elements, and methods of forming cutting elements |
USRE45748E1 (en) | 2004-04-30 | 2015-10-13 | Smith International, Inc. | Modified cutters and a method of drilling with modified cutters |
US10030452B2 (en) | 2013-03-14 | 2018-07-24 | Smith International, Inc. | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
US10287825B2 (en) | 2014-03-11 | 2019-05-14 | Smith International, Inc. | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements |
US10309156B2 (en) | 2013-03-14 | 2019-06-04 | Smith International, Inc. | Cutting structures for fixed cutter drill bit and other downhole cutting tools |
US10329843B2 (en) | 2016-05-23 | 2019-06-25 | Varel Europe S.A.S. | Fixed cutter drill bit having core receptacle with concave core cutter |
US10392868B2 (en) * | 2015-09-30 | 2019-08-27 | Schlumberger Technology Corporation | Milling wellbore casing |
US20190309578A1 (en) * | 2017-05-02 | 2019-10-10 | Baker Hughes, A Ge Company, Llc | Cutting elements comprising waveforms and related tools and methods |
US10697248B2 (en) | 2017-10-04 | 2020-06-30 | Baker Hughes, A Ge Company, Llc | Earth-boring tools and related methods |
US10954721B2 (en) | 2018-06-11 | 2021-03-23 | Baker Hughes Holdings Llc | Earth-boring tools and related methods |
USD924949S1 (en) | 2019-01-11 | 2021-07-13 | Us Synthetic Corporation | Cutting tool |
US11098532B2 (en) | 2017-09-05 | 2021-08-24 | Schlumberger Technology Corporation | Cutting elements having non-planar surfaces and tools incorporating the same |
US11578538B2 (en) * | 2020-01-09 | 2023-02-14 | Schlumberger Technology Corporation | Cutting element with nonplanar face to improve cutting efficiency and durability |
US11598153B2 (en) | 2018-09-10 | 2023-03-07 | National Oilwell Varco, L.P. | Drill bit cutter elements and drill bits including same |
US11920409B2 (en) | 2022-07-05 | 2024-03-05 | Baker Hughes Oilfield Operations Llc | Cutting elements, earth-boring tools including the cutting elements, and methods of forming the earth-boring tools |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8087478B2 (en) * | 2009-06-05 | 2012-01-03 | Baker Hughes Incorporated | Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling |
CN102933785B (en) | 2010-04-23 | 2016-01-13 | 贝克休斯公司 | The cutting element of earth-boring tools, comprise the earth-boring tools of this cutting element with and related methods |
US9243452B2 (en) * | 2011-04-22 | 2016-01-26 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods |
US9650837B2 (en) | 2011-04-22 | 2017-05-16 | Baker Hughes Incorporated | Multi-chamfer cutting elements having a shaped cutting face and earth-boring tools including such cutting elements |
US9428966B2 (en) | 2012-05-01 | 2016-08-30 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods |
US9482057B2 (en) * | 2011-09-16 | 2016-11-01 | Baker Hughes Incorporated | Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods |
US8991525B2 (en) | 2012-05-01 | 2015-03-31 | Baker Hughes Incorporated | Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methods |
US9169696B2 (en) | 2011-12-06 | 2015-10-27 | Baker Hughes Incorporated | Cutting structures, earth-boring tools including such cutting structures, and related methods |
GB201205673D0 (en) * | 2012-03-30 | 2012-05-16 | Element Six Abrasives Sa | Polycrystalline superhard material and method of making same |
GB201210876D0 (en) * | 2012-06-20 | 2012-08-01 | Element Six Abrasives Sa | Inserts and method for making same |
US9303461B2 (en) * | 2012-10-26 | 2016-04-05 | Baker Hughes Incorporated | Cutting elements having curved or annular configurations for earth-boring tools, earth-boring tools including such cutting elements, and related methods |
US9388639B2 (en) | 2012-10-26 | 2016-07-12 | Baker Hughes Incorporated | Rotatable cutting elements and related earth-boring tools and methods |
KR20150096542A (en) * | 2014-02-14 | 2015-08-25 | 일진다이아몬드(주) | Polycrystalline diamond compact and manufacturing method thereof |
CN113738284A (en) * | 2020-05-27 | 2021-12-03 | 中国石油天然气股份有限公司 | Cutting tooth and drill bit with same |
Citations (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538690A (en) | 1983-02-22 | 1985-09-03 | Nl Industries, Inc. | PDC cutter and bit |
US4554986A (en) | 1983-07-05 | 1985-11-26 | Reed Rock Bit Company | Rotary drill bit having drag cutting elements |
US4558753A (en) * | 1983-02-22 | 1985-12-17 | Nl Industries, Inc. | Drag bit and cutters |
US4593777A (en) | 1983-02-22 | 1986-06-10 | Nl Industries, Inc. | Drag bit and cutters |
US4858707A (en) | 1988-07-19 | 1989-08-22 | Smith International, Inc. | Convex shaped diamond cutting elements |
US4872520A (en) * | 1987-01-16 | 1989-10-10 | Triton Engineering Services Company | Flat bottom drilling bit with polycrystalline cutters |
US4981184A (en) | 1988-11-21 | 1991-01-01 | Smith International, Inc. | Diamond drag bit for soft formations |
US5061293A (en) | 1989-04-04 | 1991-10-29 | Barr John D | Cutting elements for rotary drill bits |
US5078219A (en) * | 1990-07-16 | 1992-01-07 | The United States Of America As Represented By The Secretary Of The Interior | Concave drag bit cutter device and method |
US5222566A (en) * | 1991-02-01 | 1993-06-29 | Camco Drilling Group Ltd. | Rotary drill bits and methods of designing such drill bits |
US5244039A (en) * | 1991-10-31 | 1993-09-14 | Camco Drilling Group Ltd. | Rotary drill bits |
US5332051A (en) | 1991-10-09 | 1994-07-26 | Smith International, Inc. | Optimized PDC cutting shape |
US5377773A (en) | 1992-02-18 | 1995-01-03 | Baker Hughes Incorporated | Drill bit having combined positive and negative or neutral rake cutters |
US5460233A (en) * | 1993-03-30 | 1995-10-24 | Baker Hughes Incorporated | Diamond cutting structure for drilling hard subterranean formations |
US5467836A (en) * | 1992-01-31 | 1995-11-21 | Baker Hughes Incorporated | Fixed cutter bit with shear cutting gage |
EP0841463A2 (en) | 1996-10-11 | 1998-05-13 | Camco Drilling Group Limited | Preform cutting element for rotary drill bits |
US6000483A (en) | 1996-02-15 | 1999-12-14 | Baker Hughes Incorporated | Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped |
US6003623A (en) | 1998-04-24 | 1999-12-21 | Dresser Industries, Inc. | Cutters and bits for terrestrial boring |
US6045440A (en) | 1997-11-20 | 2000-04-04 | General Electric Company | Polycrystalline diamond compact PDC cutter with improved cutting capability |
US6050354A (en) * | 1992-01-31 | 2000-04-18 | Baker Hughes Incorporated | Rolling cutter bit with shear cutting gage |
US6196340B1 (en) | 1997-11-28 | 2001-03-06 | U.S. Synthetic Corporation | Surface geometry for non-planar drill inserts |
US6405814B1 (en) | 1998-06-24 | 2002-06-18 | Smith International, Inc. | Cutting element with canted design for improved braze contact area |
US6408958B1 (en) * | 2000-10-23 | 2002-06-25 | Baker Hughes Incorporated | Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped |
US6550556B2 (en) | 2000-12-07 | 2003-04-22 | Smith International, Inc | Ultra hard material cutter with shaped cutting surface |
US6659199B2 (en) * | 2001-08-13 | 2003-12-09 | Baker Hughes Incorporated | Bearing elements for drill bits, drill bits so equipped, and method of drilling |
US6779613B2 (en) * | 1999-08-26 | 2004-08-24 | Baker Hughes Incorporated | Drill bits with controlled exposure of cutters |
US6883623B2 (en) * | 2002-10-09 | 2005-04-26 | Baker Hughes Incorporated | Earth boring apparatus and method offering improved gage trimmer protection |
US6904984B1 (en) | 2003-06-20 | 2005-06-14 | Rock Bit L.P. | Stepped polycrystalline diamond compact insert |
US20050247486A1 (en) | 2004-04-30 | 2005-11-10 | Smith International, Inc. | Modified cutters |
US20070102199A1 (en) | 2005-11-10 | 2007-05-10 | Smith Redd H | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies |
US20070102200A1 (en) | 2005-11-10 | 2007-05-10 | Heeman Choe | Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits |
US20070102198A1 (en) | 2005-11-10 | 2007-05-10 | Oxford James A | Earth-boring rotary drill bits and methods of forming earth-boring rotary drill bits |
US20070102202A1 (en) | 2005-11-10 | 2007-05-10 | Baker Hughes Incorporated | Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits |
US20070235230A1 (en) | 2005-12-20 | 2007-10-11 | Bruno Cuillier | PDC cutter for high compressive strength and highly abrasive formations |
US7360608B2 (en) * | 2004-09-09 | 2008-04-22 | Baker Hughes Incorporated | Rotary drill bits including at least one substantially helically extending feature and methods of operation |
US7363992B2 (en) * | 2006-07-07 | 2008-04-29 | Baker Hughes Incorporated | Cutters for downhole cutting devices |
US20080264696A1 (en) * | 2005-12-20 | 2008-10-30 | Varel International, Ind., L.P. | Auto adaptable cutting structure |
US20100084198A1 (en) * | 2008-10-08 | 2010-04-08 | Smith International, Inc. | Cutters for fixed cutter bits |
US7748475B2 (en) * | 2004-02-19 | 2010-07-06 | Baker Hughes Incorporated | Earth boring drill bits with casing component drill out capability and methods of use |
US7762355B2 (en) * | 2007-01-25 | 2010-07-27 | Baker Hughes Incorporated | Rotary drag bit and methods therefor |
US20100307829A1 (en) * | 2009-06-05 | 2010-12-09 | Baker Hughes Incorporated | Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling |
-
2009
- 2009-06-05 US US12/478,806 patent/US8087478B2/en active Active
-
2010
- 2010-06-02 WO PCT/US2010/037062 patent/WO2010141579A2/en active Application Filing
Patent Citations (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4538690A (en) | 1983-02-22 | 1985-09-03 | Nl Industries, Inc. | PDC cutter and bit |
US4558753A (en) * | 1983-02-22 | 1985-12-17 | Nl Industries, Inc. | Drag bit and cutters |
US4593777A (en) | 1983-02-22 | 1986-06-10 | Nl Industries, Inc. | Drag bit and cutters |
US4554986A (en) | 1983-07-05 | 1985-11-26 | Reed Rock Bit Company | Rotary drill bit having drag cutting elements |
US4872520A (en) * | 1987-01-16 | 1989-10-10 | Triton Engineering Services Company | Flat bottom drilling bit with polycrystalline cutters |
US4858707A (en) | 1988-07-19 | 1989-08-22 | Smith International, Inc. | Convex shaped diamond cutting elements |
US4981184A (en) | 1988-11-21 | 1991-01-01 | Smith International, Inc. | Diamond drag bit for soft formations |
US5061293A (en) | 1989-04-04 | 1991-10-29 | Barr John D | Cutting elements for rotary drill bits |
US5078219A (en) * | 1990-07-16 | 1992-01-07 | The United States Of America As Represented By The Secretary Of The Interior | Concave drag bit cutter device and method |
US5222566A (en) * | 1991-02-01 | 1993-06-29 | Camco Drilling Group Ltd. | Rotary drill bits and methods of designing such drill bits |
US5332051A (en) | 1991-10-09 | 1994-07-26 | Smith International, Inc. | Optimized PDC cutting shape |
US5244039A (en) * | 1991-10-31 | 1993-09-14 | Camco Drilling Group Ltd. | Rotary drill bits |
US5467836A (en) * | 1992-01-31 | 1995-11-21 | Baker Hughes Incorporated | Fixed cutter bit with shear cutting gage |
US6050354A (en) * | 1992-01-31 | 2000-04-18 | Baker Hughes Incorporated | Rolling cutter bit with shear cutting gage |
US5377773A (en) | 1992-02-18 | 1995-01-03 | Baker Hughes Incorporated | Drill bit having combined positive and negative or neutral rake cutters |
US5460233A (en) * | 1993-03-30 | 1995-10-24 | Baker Hughes Incorporated | Diamond cutting structure for drilling hard subterranean formations |
US6000483A (en) | 1996-02-15 | 1999-12-14 | Baker Hughes Incorporated | Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped |
US6202770B1 (en) | 1996-02-15 | 2001-03-20 | Baker Hughes Incorporated | Superabrasive cutting element with enhanced durability and increased wear life and apparatus so equipped |
EP0841463A2 (en) | 1996-10-11 | 1998-05-13 | Camco Drilling Group Limited | Preform cutting element for rotary drill bits |
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EP0841463B1 (en) | 1996-10-11 | 2004-03-03 | Camco Drilling Group Limited | Preform cutting element for rotary drill bits |
US6045440A (en) | 1997-11-20 | 2000-04-04 | General Electric Company | Polycrystalline diamond compact PDC cutter with improved cutting capability |
US6196340B1 (en) | 1997-11-28 | 2001-03-06 | U.S. Synthetic Corporation | Surface geometry for non-planar drill inserts |
US6003623A (en) | 1998-04-24 | 1999-12-21 | Dresser Industries, Inc. | Cutters and bits for terrestrial boring |
US6405814B1 (en) | 1998-06-24 | 2002-06-18 | Smith International, Inc. | Cutting element with canted design for improved braze contact area |
US6779613B2 (en) * | 1999-08-26 | 2004-08-24 | Baker Hughes Incorporated | Drill bits with controlled exposure of cutters |
US6408958B1 (en) * | 2000-10-23 | 2002-06-25 | Baker Hughes Incorporated | Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped |
US6550556B2 (en) | 2000-12-07 | 2003-04-22 | Smith International, Inc | Ultra hard material cutter with shaped cutting surface |
US6659199B2 (en) * | 2001-08-13 | 2003-12-09 | Baker Hughes Incorporated | Bearing elements for drill bits, drill bits so equipped, and method of drilling |
US6883623B2 (en) * | 2002-10-09 | 2005-04-26 | Baker Hughes Incorporated | Earth boring apparatus and method offering improved gage trimmer protection |
US6904984B1 (en) | 2003-06-20 | 2005-06-14 | Rock Bit L.P. | Stepped polycrystalline diamond compact insert |
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US20060283640A1 (en) | 2003-06-20 | 2006-12-21 | Roy Estes | Stepped polycrystalline diamond compact insert |
US7748475B2 (en) * | 2004-02-19 | 2010-07-06 | Baker Hughes Incorporated | Earth boring drill bits with casing component drill out capability and methods of use |
US20080006448A1 (en) | 2004-04-30 | 2008-01-10 | Smith International, Inc. | Modified Cutters |
US20050247486A1 (en) | 2004-04-30 | 2005-11-10 | Smith International, Inc. | Modified cutters |
US7757785B2 (en) * | 2004-04-30 | 2010-07-20 | Smith International, Inc. | Modified cutters and a method of drilling with modified cutters |
US7360608B2 (en) * | 2004-09-09 | 2008-04-22 | Baker Hughes Incorporated | Rotary drill bits including at least one substantially helically extending feature and methods of operation |
US20070102202A1 (en) | 2005-11-10 | 2007-05-10 | Baker Hughes Incorporated | Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits |
US20070102198A1 (en) | 2005-11-10 | 2007-05-10 | Oxford James A | Earth-boring rotary drill bits and methods of forming earth-boring rotary drill bits |
US20070102200A1 (en) | 2005-11-10 | 2007-05-10 | Heeman Choe | Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits |
US20070102199A1 (en) | 2005-11-10 | 2007-05-10 | Smith Redd H | Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies |
US20070235230A1 (en) | 2005-12-20 | 2007-10-11 | Bruno Cuillier | PDC cutter for high compressive strength and highly abrasive formations |
US20080264696A1 (en) * | 2005-12-20 | 2008-10-30 | Varel International, Ind., L.P. | Auto adaptable cutting structure |
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US20100307829A1 (en) | 2010-12-09 |
WO2010141579A2 (en) | 2010-12-09 |
WO2010141579A4 (en) | 2011-09-29 |
WO2010141579A3 (en) | 2011-03-31 |
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